Please fill out the form below for Pin And Collar and get a quote for part number HS4412-1B1 by Md Helicopters Inc, please include required quantity along with expected turn around time. Our knowledgeable account manager will reply you shortly. Also check for the related parts for part number HS4412-1B1. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.